Finding the Fourth Proportional to 62,219,219.20, 93,328,828.80 and 53,709,164.80
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Solution
The fourth proportional to 62,219,219.20, 93,328,828.80 and 53,709,164.80 is: 80,563,747.20
Step by Step Solution
- Step 1: Write the proportion equation
62,219,219.20 : 93,328,828.80 = 53,709,164.80 : x - Step 2: Convert to fraction form
62,219,219.20/93,328,828.80 = 53,709,164.80/x - Step 3: Cross multiply
62,219,219.20x = 93,328,828.80 × 53,709,164.80 - Step 4: Simplify right side
62,219,219.20x = 5,012,613,446,610,186 - Step 5: Solve for x
x = 5,012,613,446,610,186/62,219,219.20 - Step 6: Final answer
x = 80,563,747.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.